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EP2012149A4 - Retardation film, polarizing plate and liquid crystal display - Google Patents

Retardation film, polarizing plate and liquid crystal display

Info

Publication number
EP2012149A4
EP2012149A4 EP07741598.2A EP07741598A EP2012149A4 EP 2012149 A4 EP2012149 A4 EP 2012149A4 EP 07741598 A EP07741598 A EP 07741598A EP 2012149 A4 EP2012149 A4 EP 2012149A4
Authority
EP
European Patent Office
Prior art keywords
liquid crystal
crystal display
polarizing plate
retardation film
retardation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07741598.2A
Other languages
German (de)
French (fr)
Other versions
EP2012149A1 (en
EP2012149B1 (en
Inventor
Minori Tamagawa
Noriyasu Kuzuhara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Konica Minolta Opto Inc
Original Assignee
Konica Minolta Opto Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38619128&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2012149(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Konica Minolta Opto Inc filed Critical Konica Minolta Opto Inc
Publication of EP2012149A1 publication Critical patent/EP2012149A1/en
Publication of EP2012149A4 publication Critical patent/EP2012149A4/en
Application granted granted Critical
Publication of EP2012149B1 publication Critical patent/EP2012149B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/08—Cellulose derivatives
    • C09D101/10—Esters of organic acids
    • C09D101/14—Mixed esters, e.g. cellulose acetate-butyrate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/10—Esters of organic acids, i.e. acylates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/10—Esters of organic acids, i.e. acylates
    • C08L1/14—Mixed esters, e.g. cellulose acetate-butyrate
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
    • G02B5/305—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133634—Birefringent elements, e.g. for optical compensation the refractive index Nz perpendicular to the element surface being different from in-plane refractive indices Nx and Ny, e.g. biaxial or with normal optical axis
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
    • C08L2666/26—Natural polymers, natural resins or derivatives thereof according to C08L1/00 - C08L5/00, C08L89/00, C08L93/00, C08L97/00 or C08L99/00
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/03—Viewing layer characterised by chemical composition
    • C09K2323/035—Ester polymer, e.g. polycarbonate, polyacrylate or polyester

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polarising Elements (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Liquid Crystal (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
EP07741598.2A 2006-04-25 2007-04-13 Retardation film, polarizing plate and liquid crystal display Active EP2012149B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006120357 2006-04-25
PCT/JP2007/058162 WO2007125764A1 (en) 2006-04-25 2007-04-13 Retardation film, polarizing plate and liquid crystal display

Publications (3)

Publication Number Publication Date
EP2012149A1 EP2012149A1 (en) 2009-01-07
EP2012149A4 true EP2012149A4 (en) 2013-04-17
EP2012149B1 EP2012149B1 (en) 2018-02-14

Family

ID=38619128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07741598.2A Active EP2012149B1 (en) 2006-04-25 2007-04-13 Retardation film, polarizing plate and liquid crystal display

Country Status (7)

Country Link
US (2) US9243131B2 (en)
EP (1) EP2012149B1 (en)
JP (2) JP5067366B2 (en)
KR (1) KR101352677B1 (en)
CN (1) CN101427163B (en)
TW (2) TWI615409B (en)
WO (1) WO2007125764A1 (en)

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JP5067366B2 (en) * 2006-04-25 2012-11-07 コニカミノルタアドバンストレイヤー株式会社 Retardation film, polarizing plate and liquid crystal display device
JP5067369B2 (en) * 2006-07-31 2012-11-07 コニカミノルタアドバンストレイヤー株式会社 Polarizing plate protective film, polarizing plate and liquid crystal display device
JP5604872B2 (en) * 2007-07-19 2014-10-15 コニカミノルタ株式会社 Cellulose ester film
WO2009011228A1 (en) * 2007-07-19 2009-01-22 Konica Minolta Opto, Inc. Cellulose ester film, method for producing cellulose ester film, polarizing plate using the same, and liquid crystal display
CN101874067B (en) * 2007-11-29 2012-06-13 柯尼卡美能达精密光学株式会社 Cellulose ester film, film-forming method for the cellulose ester film, polarizing plate and liquid crystal display device
CN101910260B (en) * 2007-12-25 2012-12-26 柯尼卡美能达精密光学株式会社 Acrylic resin-containing film, and polarizing plate and liquid crystal display device using the acrylic resin-containing film
JP5028251B2 (en) * 2007-12-26 2012-09-19 富士フイルム株式会社 Cellulose ester film, retardation film using the same, polarizing plate, and liquid crystal display device
JPWO2009087905A1 (en) * 2008-01-10 2011-05-26 コニカミノルタオプト株式会社 Laminated retardation film, polarizing plate and liquid crystal display device
US20110019138A1 (en) * 2008-02-12 2011-01-27 Konica Minolta Opto, Inc. Retardation film
KR101739712B1 (en) * 2008-02-12 2017-05-24 코니카 미놀타 어드밴스드 레이어즈 인코포레이티드 Phase difference film
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JP2010222433A (en) * 2009-03-23 2010-10-07 Konica Minolta Opto Inc Cellulose ester film, and polarizing plate and liquid crystal-displaying device by using the same
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JP2011053645A (en) 2009-08-05 2011-03-17 Konica Minolta Opto Inc Cellulose acetate film, polarizing plate and liquid-crystal display device
JP5606110B2 (en) 2009-09-30 2014-10-15 富士フイルム株式会社 Cellulose acylate film, retardation film, polarizing plate and liquid crystal display device
KR101525295B1 (en) * 2010-03-03 2015-06-02 코니카 미놀타 어드밴스드 레이어즈 인코포레이티드 Method of manufacturing a polarizing plate, polarizing plate manufactured using said method, and liquid crystal display device
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TW200745169A (en) 2007-12-16
US9243131B2 (en) 2016-01-26
CN101427163A (en) 2009-05-06
KR101352677B1 (en) 2014-01-16
JP2012212163A (en) 2012-11-01
US9598595B2 (en) 2017-03-21
JP5067366B2 (en) 2012-11-07
TW201529606A (en) 2015-08-01
WO2007125764A1 (en) 2007-11-08
TWI477514B (en) 2015-03-21
CN101427163B (en) 2010-08-04
JPWO2007125764A1 (en) 2009-09-10
EP2012149A1 (en) 2009-01-07
EP2012149B1 (en) 2018-02-14
US20160137867A1 (en) 2016-05-19
KR20090005024A (en) 2009-01-12
US20070247576A1 (en) 2007-10-25
TWI615409B (en) 2018-02-21
JP5304929B2 (en) 2013-10-02

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